Areas of Expertise

Expert Witness & Litigation Support

When construction disputes escalate, GCM Group delivers clarity.
We provide defensible forensic analysis, expert reporting, and testimony to support litigation, arbitration, and mediation.

  • Delay Analysis – As-Planned vs. As-Built, Time Impact Analysis (TIA), and Window Analysis, in alignment with AACE 29R-03 and industry best practices.

  • Construction Claims Preparation – Comprehensive documentation, cost and damages quantification, entitlement evaluation, and narrative development for both owners and contractors.

  • Change Order Disputes – Forensic evaluation of disputed scope changes, productivity loss, acceleration costs, and schedule impacts, supported by detailed calculations and industry expertise.

  • Schedule Disruption Analysis – Assessment of critical path shifts, resource inefficiencies, and resulting financial damages across complex projects.

  • Litigation Support – Expert reports, rebuttals, deposition testimony, and courtroom presentation of technical cost and scheduling issues.

Strategic Cost Management & Advisory

Beyond litigation, we help organizations proactively manage costs, reduce risk, and prevent disputes.

  • Project Cost Development – Budgeting, cost modeling, and forecasting for all project types, including high-tech labs, offices, multifamily, hospitality, civil, and industrial facilities.

  • Change Order Analysis – Evaluation of scope changes, cost impacts, and schedule implications, with support in negotiations and documentation review.

  • Schedule Analysis & Acceleration – Critical path analysis, schedule compression strategies, and resource optimization for time-sensitive project delivery.

  • Tenant Improvement Cost Control – Specialized expertise in corporate fit-outs, laboratory build-outs, and phased occupancy planning.

  • Owner’s Representative Services – Oversight, contractor performance monitoring, and stakeholder communication across all project phases.

Industry Experience

Our team has worked across a broad range of project types:

  • High-tech laboratories and research facilities

  • Corporate office developments and tenant improvements

  • Multifamily residential and mixed-use projects

  • Hospitality and entertainment facilities

  • Heavy civil and infrastructure projects

  • Concrete construction and specialty structures

  • Healthcare and institutional facilities

  • Industrial and manufacturing facilities